Costing The Earth

Costing the Earth debates one of the most important issues facing the planet that affects all of us: Where will our food come from in the decades ahead.The world population is expected to rise to 9 billion by 2050. That's another 2.5 billion mouths to feed, roughly the number of people currently living in China and India today.Tom Heap is joined by an panel to chew over the question of what the world will eat as populations rise, climate changes and vital resources are depleted.The panel is made up of experts from the world of food and agriculture: Professor Charles Godfray from the Oxford Martin Programme for the Future of Food; Colin Tudge, the man behind the Campaign for Real Farming; new Groceries Adjudicator, Christine Tacon; Sean Rickard an economist who specialises in food and farming; Tristram Stuart: winner of the award for 'Best Initiative in British Food' at last week's BBC Food and farming awards, the food waste campaigner behind the Feeding the 5000 and Pig Idea projects.With Tom Heap in the chai